#!/usr/bin/env python

print('1111111',end=' ')
print('2222222')
print('3333333')

print('111', 222, '333', sep='\t', end='    ')

#===============================
comment=input("Enter a comment:")

if len(comment) != 0:
	newComment = comment.replace(' ', '_')#don't change comment.

print (comment) #what is your name ?
print (newComment) #what_is_your_name_?
